Usability 101: Introduction to Usability

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Description This is the article to give to your boss or anyone else who doesn’t have much time, but needs to know the basic usability facts. What “” Definition of Usability Usability is a quality attribute that assesses how easy user interfaces are …

Description I originally developed the heuristics for heuristic evaluation in collaboration with Rolf Molich in 1990 [Molich and Nielsen 1990; Nielsen and Molich 1990]. I since refined the heuristics based on a factor analysis of 249 usability problems [Niels…

Description Screen sizes are constantly shifting and designs can respond to these sizes ,Â rather than fit to a constant size. So when clients, designers, developers, or marketers talk about content “œabove the fold”””a term borrowed from print-newspaper te…

Description There’s no need to declare this “the year of mobile.” If anything, 2010 was the year of mobile in terms of the growth in both mobile usage and the availability of mobile sites and apps. By now, it’s time to redesign your mobile site, because your exi…

Description To prepare for our upcoming Navigation Design seminar , we’ve been running user studies of various navigation features. As always, some test poorly. Also as always, the more faddish features “” such as tag clouds “” exhibit major usability pro…

Description As part of our FAQ report Strategic Design for Frequently Asked Questions we reviewed the FAQs at 23 big and small organizations to help derive design guidelines for how best to present this important content. The Mayday organization, devoted to …

Description I was recently looking through a stack of old photos and came across one from my days as a scientist at Bell Communications Research (Bellcore, the arm of Bell Labs owned by the regional Bell operating companies, which was one of the last Grand Labs)…

Description Some information-architecture (IA) problems are unique to specific situations “” certain audiences or types of content may present unusual challenges. But in our Information Architecture courses , we invariably get asked about a few persistent ques…

Description The 1024Ã—768 became the leading monitor size in 2004 and has only just been dethroned by a (slightly) larger screen resolution of 1366Ã—768, according to StatCounter . The change over from 1024Ã—768 to bigger screens actually occurred in 2009,…

Description Since my first attempt in 1996, I have compiled many top-10 lists of the biggest mistakes in Web design. See links to all these lists at the bottom of this article. This article presents the highlights: the very worst mistakes of Web design. (Upd…

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